Mckie, R., & il. Paul Cooper, E. G. (1987). Lasers. Porto Editora.
Lua i Stíl Chicago (17ú heag.)Mckie, Robin, agus Elsa Godfrey il. Paul Cooper. Lasers. Porto Editora, 1987.
Lua MLA (8ú heag.)Mckie, Robin, agus Elsa Godfrey il. Paul Cooper. Lasers. Porto Editora, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.